23698020 has 24 divisors (see below), whose sum is σ = 66354624. Its totient is φ = 6319456.

The previous prime is 23698013. The next prime is 23698033. The reversal of 23698020 is 2089632.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197424 + ... + 197543.

It is an arithmetic number, because the mean of its divisors is an integer number (2764776).

Almost surely, 2^23698020 is an apocalyptic number.

23698020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23698020 is an abundant number, since it is smaller than the sum of its proper divisors (42656604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23698020 is a wasteful number, since it uses less digits than its factorization.

23698020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394979 (or 394977 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 23698020 is about 4868.0612157203. The cubic root of 23698020 is about 287.2349971448.

The spelling of 23698020 in words is "twenty-three million, six hundred ninety-eight thousand, twenty".